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    <title>Document</title>
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     p {
         font-style: italic;
         /* italic浏览器会显示斜体的字体样式 */
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     em {
         /* 让倾斜的字体不倾斜 */
         font-style: normal;
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    <p>许毓翀大狗屎</p>
    <em>许毓翀真是个大狗屎</em>
    <!-- em属性下的字体倾斜 -->
</body>
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